# QR Maker vs Stud + Metal Scanner

The clearest difference is in-app purchases: Stud + Metal Scanner at none against QR Maker's 3. Stud + Metal Scanner also leads on iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. QR Maker sells 3 in-app purchases, starting at $2.99 per 7 days. Stud + Metal Scanner asks for nothing beyond the download.

## The numbers

| Metric | QR Maker | Stud + Metal Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stud-plus-metal-scanner/id6757409552/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | — | Free |
| Size | 19 MB | 5 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aman Singhal](https://appshunter.io/developer/1806555975) | [PRADEEP CHENDURAN BALASUNDARAM](https://appshunter.io/developer/1866726591) |

## What reviewers say

### QR Maker

[App page](https://appshunter.io/ios/app/qr-maker-code-reader-scanner/id6757229843)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly | $2.99 | per 7 days |
| yearly | $12.99 | per year |
| lifetime | $29.99 | one-time |


### Stud + Metal Scanner

[App page](https://appshunter.io/ios/app/stud-plus-metal-scanner/id6757409552)

Instantly locate studs, screws, and nails behind walls, or measure magnetic fields (EMF) using your iPhone's built-in sensor. This dual-mode utility is perfect for DIY projects, home improvement, and scientific exploration.

**Highlights:** Stud finder mode, Magnetometer (EMF) mode, Detect studs, screws, nails, and metal, Measure magnetic fields in real-time, Graph view for field changes, Pause scans for precision readings, Re-zero sensor for accuracy

**In-app purchases:** none


## Frequently asked questions

### Is QR Maker free?

QR Maker is free to download, with in-app purchases available.

### Is Stud + Metal Scanner free?

Stud + Metal Scanner is free to download, with no in-app purchases.

### Do QR Maker or Stud + Metal Scanner have ads?

Neither QR Maker nor Stud + Metal Scanner shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*